Playback device



FIG. 1 is a front isometric view of a playback device, embodying our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an end elevation view thereof; and,

FIG. 7 is an opposite end view thereof.

The broken lines shown are included for the purpose of illustrating portions of the playback device that form no part of the claim. 

CLAIM The ornamental design for a playback device, as shown and described. 